com.hazelcast.org.checkerframework.checker.initialization.qual.FBCBottom Maven / Gradle / Ivy
package com.hazelcast.org.checkerframework.checker.initialization.qual;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import com.hazelcast.org.checkerframework.framework.qual.LiteralKind;
import com.hazelcast.org.checkerframework.framework.qual.QualifierForLiterals;
import com.hazelcast.org.checkerframework.framework.qual.SubtypeOf;
import com.hazelcast.org.checkerframework.framework.qual.TargetLocations;
import com.hazelcast.org.checkerframework.framework.qual.TypeUseLocation;
/**
* The bottom type in the initialization type system. Programmers should rarely write this type.
*
* The "FBC" in the name stands for "Freedom Before Commitment", an approach that the
* Initialization Checker builds upon.
*
* @checker_framework.manual #initialization-checker Initialization Checker
* @checker_framework.manual #bottom-type the bottom type
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})
@TargetLocations({TypeUseLocation.EXPLICIT_LOWER_BOUND, TypeUseLocation.EXPLICIT_UPPER_BOUND})
@SubtypeOf({UnderInitialization.class, Initialized.class})
@QualifierForLiterals(LiteralKind.NULL)
public @interface FBCBottom {}